WO2018233742A1 - Dispositif de fixation et/ou de libération de moules à injection, moyen et procédé - Google Patents

Dispositif de fixation et/ou de libération de moules à injection, moyen et procédé Download PDF

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Publication number
WO2018233742A1
WO2018233742A1 PCT/DE2018/000193 DE2018000193W WO2018233742A1 WO 2018233742 A1 WO2018233742 A1 WO 2018233742A1 DE 2018000193 W DE2018000193 W DE 2018000193W WO 2018233742 A1 WO2018233742 A1 WO 2018233742A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
region
projection
molding
molding portion
Prior art date
Application number
PCT/DE2018/000193
Other languages
German (de)
English (en)
Inventor
Manfred Wolf
Original Assignee
Stack Mold Plus Ug
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stack Mold Plus Ug filed Critical Stack Mold Plus Ug
Priority to KR1020207002035A priority Critical patent/KR102584629B1/ko
Priority to EP18746565.3A priority patent/EP3630442B1/fr
Priority to CA3067645A priority patent/CA3067645A1/fr
Priority to US16/624,703 priority patent/US11285647B2/en
Priority to DE112018003188.8T priority patent/DE112018003188A5/de
Priority to CN201880041955.8A priority patent/CN110944820B/zh
Priority to ES18746565T priority patent/ES2884164T3/es
Publication of WO2018233742A1 publication Critical patent/WO2018233742A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2602—Mould construction elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2602—Mould construction elements
    • B29C45/2606—Guiding or centering means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
    • F16F3/087—Units comprising several springs made of plastics or the like material
    • F16F3/0873—Units comprising several springs made of plastics or the like material of the same material or the material not being specified
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles

Definitions

  • the invention relates to a device for setting and / or release of injection molds for plastic injection molding according to the preamble of claim 1, a means for setting according to the preamble of claim 9 and a method for using a device for setting and / or release of injection molds for plastic injection molding the preamble of claim 10.
  • an injection molding tool in plastic injection molding comprises a nozzle sub-element and an ejection sub-element, as well as various other elements, such as a sprue system, cavity inserts, ejector elements, and cooling.
  • demolding problems for example due to undercuts, can be solved with the aid of a slide technique.
  • auxiliary separating planes are produced in the injection molding tool by means of sliding-past molded part regions in order to expose critical regions of the injection molded part which, for example, represent an undercut in the removal direction.
  • Prefolded molding portions may be incorporated in the nozzle subelement or in the ejector subelement.
  • the pushed-past molding portions move transversely to the opening direction of the tool.
  • the mold part areas pushed past run out of the cavity laterally at a fixed angle.
  • the movement of the pushed-past molding portions can be done mechanically or hydraulically. During the demoulding process, during which the injection mold rises and the injection-molded part is demolded and ejected.
  • a reliable holding the pushed-past molding portion is provided at the desired position by means of a slide lock, for example in the form of a slide button with a roller for over rolling and a slide spring.
  • the object of the present invention is to provide a safe and reliable device for setting and / or releasing injection molds for plastic injection molding.
  • a device for setting and / or releasing injection molds for plastic injection molding having at least two matched, opposite Spritzg telltechnikmaschinemaschinemaschinemaschine, in particular a nozzle sub-element and a Auswerferilelement comprising slidable areas with tillschiebbaren molding portions a slide button disposed in a receiving molding portion is and in predetermined, adapted areas of the corresponding, servesschiebbaren molding portion is extendable, comprising a rotatably mounted in a housing roller for rolling over the passable molding portion, a resilient pressure piece, comprising the housing and a pressing against the housing slide spring, for engaging in a recess, in particular groove or recess, in the passable mold part area, wherein the housing has a tension projection means in a circumferential area for clamping by means of the Sch ieberastfeder has, one or more fixing screws, which is guided through the housing into an adapted formed receptacle in the receiving molding portion, wherein provided in the housing, a central passage means is provided,
  • a slide fuse according to the invention thus takes place by a secure engagement of the slide button in the passable molding portion, whereby a holding of the slide takes place while the injection molded part is removed from the mold / ejection, whereby a flawless injection molding process is ensured and the process safety is improved.
  • the slide grid sits exactly in the recess and can safely fulfill the function of the slide safety in particular by the stabilizing implementing means.
  • the pushed-past molding portion which is to be secured, is advantageously provided with a customized recess, in particular a groove / recess, wherein the pushed-past molding portion makes a driving movement on the slide grid.
  • the roller rolls around the axis and pushes the housing downwards with the slide spring spring until the slide button reaches the recess in the pushed-past molding area and then springs in a secure manner.
  • the intended adapted implementing means with the stabilizing contact projection and the lower support surface an exact installation height of the slide switch can be realized. Too high a tightening torque when screwing in the force application when screwing the screw is prevented when inserting the device.
  • the slide scanning does not sit too low in initial milling, allowing plenty of suspension travel is available and the functional performance is ge ⁇ give. Even after several cycles, the fixing screws do not solve.
  • the defined screw depth of the slider grid during installation is certainly a ⁇ note so that errors are avoided.
  • the assembly is facilitated because a secure guidance is given.
  • Deburring of the holes can also be carried out without disturbing the hold of the slide key.
  • Increased by the size of the support surface of the stopper, in particular, for example, compared to an annular surface by a factor of 10 ensures a defined screwing the slide grid in the ⁇ recess and the position can be maintained, whereby a reliable ⁇ functional performance of the slide grid is guaranteed.
  • the device has a compact design and allows for easier assembly in the injection mold, a recording / securing the sliding past molding part Rich is also at high slide weights and at the same time very compact design. possible. There is no lubrication necessary and therefore also suitable for clean room.
  • the lower support region of the feedthrough means has at least about a surface which is larger than an annular surface at an edge region around the receptacle or receptacles for the one or more seizing screws with a predetermined Thickness is formed, in particular an annular surface with about 0.5 to about 1 mm thickness.
  • the lower support region of the feedthrough means is formed as an oval surface or as a circular surface protruding beyond an annular surface.
  • the contact projection of the lead-through means is designed to be continuous as a circumferential projection, in particular adapted to the shape of the lead-through means, in particular as an oval-shaped projection region or as a circular projection region and / or the projection region has a depth of approximately 15% of a diameter of the lead-through means having.
  • a seizing screw off-center in particular in an oval center or off-center of a circular area of the lower support area. is arranged and / or in each case two Fixsetzschrauben by the lower support ⁇ area are formed projecting, in particular each in an oval center of the oval surface or eccentrically a circular surface of the lower support area are arranged and / or the
  • the lower support region has a surface width which corresponds approximately to a diameter of a Fixsetzschraube. It is advantageous if larger fixing screws are to be used in relation to the size of the housing, the threaded recesses are not to be eroded, in particular M4 or Ivl5 Sch robes are used as fixing screws. Threads for screws smaller than M4 are very difficult to manufacture and usually need to be eroded, with the steel having a strength of 1100 N / mm2. Eroding is an expensive, expensive process, which also causes high costs for repairs.
  • slide spring spring is interchangeable, so that depending on the requirements of the passable molding parts interchangeable slide spring with different release forces / release holding force are used. It is advantageous if the slide spring spring is interchangeable, so that depending on the requirements of the passable molding parts interchangeable slide spring with different release forces / release holding force are used.
  • the object is also achieved by a means for securing a slide button of ceremonischiebbaren molding portions of an injection mold, with a rotatably mounted in a housing roller, a resilient pressure piece, comprising the housing and a pressing against the housing slide spring, with one or more Fixsetzschrauben by guided through the housing into a suitably formed receptacle in a female mold part area, wherein a central feed-through means arranged in the housing is provided, wherein the one or more fixing screws are passed through in each case a passage opening of the feedthrough means by means of a contact projection provided on a circumference of the feed-through means, a contact of the feed-through means is provided on a corresponding recirculating projection in an inner region of the housing, and a lower support region is a support on one corresponding Aufsetz Scheme for receiving in the receiving molding portion forms.
  • a method for using a device for setting and / or releasing injection molds for plastic injection molding which comprises at least two matched, opposing Spritzg fondtechnik- Having toy parts, in particular a nozzle sub-element and a Auswerfermaschinelement, according to one of claims 1 to 8, comprising slidable areas with simultaneouslyschiebbaren molding portions (slider), a slide button, which is arranged in a receiving molding portion and extended into predetermined, adapted areas of the corresponding, servesschiebbaren molding portion is, comprising a rotatably mounted in a housing roller for rolling over the concernedschiebbaren molding portion, a resilient pressure piece comprising the housing and a pressing against the housing slide spring, for engaging in a recess, in particular groove or recess in the tillschiebbaren molding portion, one or more Fixing screws, which is screwed through the housing through in a custom-designed receptacle in the receiving molding portion, wherein the one or more Fixsetzschrauben
  • Fig. 1 inventive device for setting and / or release of
  • Fig. 2 shows an inventive means for securing a substances
  • Fig. 3 shows an inventive means for securing a substances
  • Shaped areas in the form of a slide button Fig. 4 shows an inventive means for securing a substances
  • Fig. 5 shows an inventive means for securing a substances
  • Fig. 6 shows a detail of a means according to the invention for securing a servesschiebbaren molding portions.
  • FIG. 1 shows a device 1 according to the invention for setting and / or releasing injection molds for plastic injection molding, which have at least two matched, opposite Spritzg telltechnikmaschinemaschinemaschine, in particular a nozzle subelement and a Auswerferilelement comprising slidable areas with simultaneouslyschiebbaren molding portions 2, a slide button 3, which is arranged in a receiving mold part region 4 and can be extended into predetermined, adapted regions 5 of the corresponding, passable mold part region 2, comprising a roller 7 rotatably mounted in a housing 6 for rolling over the passable mold part region 2, a resilient pressure piece 8 the housing 6 and a pressing against the housing 6 slide spring 9, for locking in a recess, not shown, in particular groove or recess, in seeminglyschiebbaren molding portion 2, one or more Fixsetzschrauben 1 1, by the Housing 6 is screwed into an adapted trained receiving receptacle 12 in the receiving molding portion 4, wherein the one or more Fixsetzschrauben 11 passes through a through hole 13
  • One or more Festsetzschrauben 1 1 are each passed through a through hole 3 of the guide means 14, wherein by means of a provided on a periphery 30 of the lead-through means 14 contact projection 26, a contact of the lead-through means 14 is provided on a corresponding circumferential projection 27 in an inner region 29 of the housing 6, and a lower support region 16 forms a support on a corresponding attachment region 17 with an edge region 8 of the receptacle 12 in the receiving molding region 4.
  • a tension projection 15 for bracing the housing 6 by means of a slide spring 9 is provided, wherein the guide means 14 at a lower support portion 16 forms a stop 17 with an edge portion 18 of the receptacle 12 in the female mold portion 4, wherein the lower support portion 16 at least about a surface 18th has, which is larger than an annular surface 19 having a predetermined thickness, in particular about 0.5 - about 1 mm thick about a Fixsetzschraube 1 1, is formed.
  • FIG. 2 shows an inventive means 25 for securing a predominantlyschbaren molding portions in the form of a slide button with view from below on a lower support area 16.
  • a support area with a large area 23 and a surface width 22 is shown as oval area 24, in which an off-center oval center 21 a Fixsetzschraube 1 is performed.
  • Fig. 4 shows an inventive means 25 for securing a researcherschbaren molding portions in the form of a slide button 9 from below.
  • a Aufla- is give rich presented with a large area 23 as an oval surface 24 which is carried out at the off-center in two oval centers 21 are each a set screw 1 1 through a through ⁇ hole 13 in the performing means fourteenth
  • the slide grid comprises a housing and a roller which is rotatably mounted on the housing by means of an axis.
  • the housing is pushed upwards with a spring, wherein the voltage projection 15 limits the stroke.
  • the stop is fastened by means of one or two screws and guides the housing.
  • the pushed past molding portion that is to be secured, must be provided with a groove / recess, etc.
  • the pushed past molding portion makes a driving movement on the slide grid, while the roller rolls around the axis and pushes the housing with the spring down.
  • the slider grid is pushed up by the spring and held by spring force.
  • FIG. 6 shows a section of a means according to the invention for securing a passable molding part areas.
  • the lower support region 16 has a surface width 22 which corresponds approximately to a diameter 32 of a fixing screw (not shown).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

L'invention concerne un dispositif de fixation et/ou de libération de moules à injection, destiné au moulage par injection de matière plastique, qui comportent au moins deux éléments d'outil de moulage par injection opposés et adaptés l'un à l'autre, en particulier un élément de buse et un élément d'éjection comprenant des zones coulissantes pourvue de sous-zones de moulage coulissantes, des taquets coulissants disposés dans une sous-zone de moulage et extensibles des zones adaptées prédéterminées de la sous-zone de moulage coulissante correspondante, comprenant un rouleau monté à rotation dans un boîtier et destiné à rouler à travers la sous-zone de moulage coulissante, une pièce de pression élastique, comprenant le boîtier et un ressort de taquet coulissant appuyant contre le boîtier pour s'encliqueter dans un évidement, en particulier une rainure ou un creux, dans la sous-zone de moulage coulissante, le boîtier comportant un moyen de serrage saillant dans une zone circonférentielle pour effectuer le serrage au moyen du ressort de taquet coulissant, au moins une vis de fixation qui est guidée à travers le boîtier et vissée dans un logement adapté de la sous-zone de moulage de réception, un moyen de passage central ménagé dans le logement étant prévu, l'au moins une vis de fixation étant guidée à travers une ouverture de passage du moyen de passage. A l'aide d'une saillie de contact prévue sur une périphérie du moyen de passage, un contact du moyen de passage est prévu sur une projection périphérique correspondante dans une région intérieure du boîtier, et une zone d'appui inférieure forme un appui sur une zone de contact correspondante pourvue d'une zone de bord du logement dans la sous-région de moulage de réception.
PCT/DE2018/000193 2017-06-22 2018-06-21 Dispositif de fixation et/ou de libération de moules à injection, moyen et procédé WO2018233742A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1020207002035A KR102584629B1 (ko) 2017-06-22 2018-06-21 사출 금형을 고정 및/또는 해제하기 위한 장치, 수단 및 방법
EP18746565.3A EP3630442B1 (fr) 2017-06-22 2018-06-21 Dispositif de fixation et/ou de libération de moules à injection, moyen et procédé
CA3067645A CA3067645A1 (fr) 2017-06-22 2018-06-21 Dispositif de fixation et/ou de liberation de moules a injection, moyen et procede
US16/624,703 US11285647B2 (en) 2017-06-22 2018-06-21 Device for securing and/or releasing injection moulds, means and method
DE112018003188.8T DE112018003188A5 (de) 2017-06-22 2018-06-21 Vorrichtung zum Festsetzen und/oder Lösen von Spritzgussformen, Mittel und Verfahren
CN201880041955.8A CN110944820B (zh) 2017-06-22 2018-06-21 用于固定和/或脱开注塑模具的装置、器件和方法
ES18746565T ES2884164T3 (es) 2017-06-22 2018-06-21 Dispositivo para fijar y/o liberar moldes de inyección, medio y método

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017005903.9A DE102017005903A1 (de) 2017-06-22 2017-06-22 Vorrichtung zum Festsetzen und/oder Lösen von Spritzgussformen, Mittel und Verfahren
DE102017005903.9 2017-06-22

Publications (1)

Publication Number Publication Date
WO2018233742A1 true WO2018233742A1 (fr) 2018-12-27

Family

ID=63041747

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2018/000193 WO2018233742A1 (fr) 2017-06-22 2018-06-21 Dispositif de fixation et/ou de libération de moules à injection, moyen et procédé

Country Status (9)

Country Link
US (1) US11285647B2 (fr)
EP (1) EP3630442B1 (fr)
KR (1) KR102584629B1 (fr)
CN (1) CN110944820B (fr)
CA (1) CA3067645A1 (fr)
DE (2) DE102017005903A1 (fr)
ES (1) ES2884164T3 (fr)
PT (1) PT3630442T (fr)
WO (1) WO2018233742A1 (fr)

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US5397226A (en) * 1993-11-02 1995-03-14 D-M-E Company Slide retainer for injection molds
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WO2006019504A2 (fr) * 2004-07-16 2006-02-23 Cerniglia Anthony J Dispositif de retenue a glissements et procede d'installation associe
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Also Published As

Publication number Publication date
US11285647B2 (en) 2022-03-29
DE112018003188A5 (de) 2020-03-05
CN110944820B (zh) 2022-05-24
US20200122373A1 (en) 2020-04-23
ES2884164T3 (es) 2021-12-10
DE102017005903A1 (de) 2018-12-27
KR20200033855A (ko) 2020-03-30
EP3630442A1 (fr) 2020-04-08
KR102584629B1 (ko) 2023-10-05
CN110944820A (zh) 2020-03-31
EP3630442B1 (fr) 2021-04-28
CA3067645A1 (fr) 2018-12-27
PT3630442T (pt) 2021-07-29

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